An anonymous reader writes: To combat widespread stonewalling of source requests for GPL software (Linux and a load of other GPL programs) on certain hardware devices we're calling out for copyright holders of GPL / LGPL programs shipped with PocketBook devices. Source code requests for recent releases so far have been ignored completely and the promised SDK never showed up either. Via GPL Violations we were told to look out for copyright holders of the concerned code as this would make proceedings easier.Please sign up to GPL-violations.org and help Harald Welte and his team to advice those infringing companies on how to comply with the GPL license.